What is the Least Common Multiple of 28289 and 28303?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 28289 and 28303 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28289 and 28303, than apply into the LCM equation.

GCF(28289,28303) = 1
LCM(28289,28303) = ( 28289 × 28303) / 1
LCM(28289,28303) = 800663567 / 1
LCM(28289,28303) = 800663567

Least Common Multiple (LCM) of 28289 and 28303 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28289 and 28303. First we will calculate the prime factors of 28289 and 28303.

Prime Factorization of 28289

Prime Factorization of 28303

Now multiplying the highest exponent prime factors to calculate the LCM of 28289 and 28303.

LCM(28289,28303) = 28289¹ × 11¹ × 31¹ × 83¹
LCM(28289,28303) = 800663567